feat(ollama): Add Ollama provider support with models and configuration, including API endpoints and UI updates.

src/app/api/providers/[id]/test/testUtils.js

@@ -460,6 +460,10 @@ async function testApiKeyConnection(connection, effectiveProxy = null) {
         const res = await fetchWithConnectionProxy("https://api.hyperbolic.xyz/v1/models", { headers: { Authorization: `Bearer ${connection.apiKey}` } }, effectiveProxy);
         return { valid: res.ok, error: res.ok ? null : "Invalid API key" };
       }
+      case "ollama": {
+        const res = await fetch("https://ollama.com/api/tags", { headers: { Authorization: `Bearer ${connection.apiKey}` } });
+        return { valid: res.ok, error: res.ok ? null : "Invalid API key" };
+      }
       case "deepgram": {
         const res = await fetchWithConnectionProxy("https://api.deepgram.com/v1/projects", { headers: { Authorization: `Token ${connection.apiKey}` } }, effectiveProxy);
         return { valid: res.ok, error: res.ok ? null : "Invalid API key" };